/*
 * Copyright (C) 2011 Daniel Himmelein
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MINDROID_LOCK_H_
#define MINDROID_LOCK_H_

#include <stdint.h>
#include <pthread.h>
#include "mindroid/lang/Object.h"

namespace mindroid {

class Lock {
public:
    static bool lock();
    static void unlock();

private:
    Lock() {
    }

    static pthread_mutex_t* getLock() {
        return &sLock;
    }

    static pthread_mutex_t sLock;

    friend class Condition;

    NO_COPY_CONSTRUCTOR_AND_ASSIGNMENT_OPERATOR(Lock)
};

class AutoLock {
public:
    AutoLock() {
        Lock::lock();
    }

    ~AutoLock() {
        Lock::unlock();
    }

private:
    NO_COPY_CONSTRUCTOR_AND_ASSIGNMENT_OPERATOR(AutoLock)
};

} /* namespace mindroid */

#endif /* MINDROID_LOCK_H_ */
